R4F24268NVFQV Renesas Electronics America, R4F24268NVFQV Datasheet - Page 392

• Manufacturer Part Number: R4F24268NVFQV
• Description: MCU 256K FLASH 48K 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

Specifications of R4F24268NVFQV

• Core Processor: H8S/2600
• Core Size: 16/32-Bit
• Speed: 33MHz
• Connectivity: EBI/EMI, I²C, IrDA, SCI, SSU, UART/USART
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 96
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 10x10b, D/A 2x8b
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 7 DMA Controller (DMAC)
Figure 7.10 shows an example of the setting procedure for single address mode (when sequential
mode is specified).
Page 362 of 1372
Set number of transfers
Set transfer source and
Single address mode
transfer destination
Read DMABCRL
Set DMABCRH
Single address
Set DMABCRL
mode setting
Set DMACR
addresses
Figure 7.10 Example of Single Address Mode Setting Procedure
(When Sequential Mode Is Specified)
[1]
[2]
[3]
[4]
[5]
[6]
[1] Set each bit in DMABCRH.
[2] Set the transfer source address/transfer
[3] Set the number of transfers in ETCR.
[4] Set each bit in DMACR.
[5] Read the DTE bit in DMABCRL as 0.
[6] Set each bit in DMABCRL.
• Set the DTE bit to 1 to enable transfer.
• Clear the FAE bit to 0 to select short address
• Set the SAE bit to 1 to select single address
• Specify enabling or disabling of internal
destination address in MAR.
• Set the transfer data size with the DTSZ bit.
• Specify whether MAR is to be incremented or
• Clear the RPE bit to 0 to select sequential
• Specify the transfer direction with the DTDIR
• Select the activation source with bits DTF3 to
• Specify enabling or disabling of transfer end
mode.
mode.
interrupt clearing with the DTA bit.
decremented with the DTID bit.
mode.
bit.
DTF0.
interrupts with the DTIE bit.
H8S/2426, H8S/2426R, H8S/2424 Group
REJ09B0466-0350 Rev. 3.50
Jul 09, 2010